FloatPoint SVGPathBlender::BlendState::blendAnimatedFloatPoint(
const FloatPoint& fromPoint,
const FloatPoint& toPoint) {
if (m_typesAreEqual)
return blendAnimatedFloatPointSameCoordinates(fromPoint, toPoint);
// Transform toPoint to the coordinate mode of fromPoint
FloatPoint animatedPoint = toPoint;
if (m_fromIsAbsolute)
animatedPoint += m_toCurrentPoint;
else
animatedPoint.move(-m_toCurrentPoint.x(), -m_toCurrentPoint.y());
animatedPoint = blendFloatPoint(fromPoint, animatedPoint, m_progress);
// If we're in the first half of the animation, we should use the type of the
// from segment.
if (m_isInFirstHalfOfAnimation)
return animatedPoint;
// Transform the animated point to the coordinate mode, needed for the current
// progress.
FloatPoint currentPoint =
blendFloatPoint(m_fromCurrentPoint, m_toCurrentPoint, m_progress);
if (!m_fromIsAbsolute)
return animatedPoint + currentPoint;
animatedPoint.move(-currentPoint.x(), -currentPoint.y());
return animatedPoint;
}
FloatPoint SVGPathBlender::blendAnimatedFloatPoint(const FloatPoint& fromPoint, const FloatPoint& toPoint)
{
if (m_fromMode == m_toMode)
return blendFloatPoint(fromPoint, toPoint, m_progress);
// Transform toPoint to the coordinate mode of fromPoint
FloatPoint animatedPoint = toPoint;
if (m_fromMode == AbsoluteCoordinates)
animatedPoint += m_toCurrentPoint;
else
animatedPoint.move(-m_toCurrentPoint.x(), -m_toCurrentPoint.y());
animatedPoint = blendFloatPoint(fromPoint, animatedPoint, m_progress);
if (m_isInFirstHalfOfAnimation)
return animatedPoint;
// Transform the animated point to the coordinate mode, needed for the current progress.
FloatPoint currentPoint = blendFloatPoint(m_fromCurrentPoint, m_toCurrentPoint, m_progress);
if (m_toMode == AbsoluteCoordinates)
return animatedPoint + currentPoint;
animatedPoint.move(-currentPoint.x(), -currentPoint.y());
return animatedPoint;
}
FloatPoint SVGPathBlender::BlendState::blendAnimatedFloatPointSameCoordinates(const FloatPoint& fromPoint, const FloatPoint& toPoint)
{
if (m_addTypesCount) {
FloatPoint repeatedToPoint = toPoint;
repeatedToPoint.scale(m_addTypesCount, m_addTypesCount);
return fromPoint + repeatedToPoint;
}
return blendFloatPoint(fromPoint, toPoint, m_progress);
}
